Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash Flows From Operating Activities:
Net income	$ 55,715	$ 64,035
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,665	10,649
Deferred income taxes and other noncash changes	1,130	672
Stock-based compensation expense	1,519	1,200
Excess tax benefit from stock-based compensation	(242)	(39)
Gain on sale of property	0	(6)
Pension plan activity	(296)	(122)
Changes in operating assets and liabilities:
Receivables	(1,227)	(16,666)
Inventories	5,635	16,611
Other current assets	7,033	6,716
Accounts payable and accrued liabilities	4,060	1,022
Net cash provided by operating activities	82,992	84,072
Cash Flows From Investing Activities:
Payments on property additions	(13,069)	(4,370)
Proceeds from sale of property	0	6
Other-net	(945)	(656)
Net cash used in investing activities	(14,014)	(5,020)
Cash Flows From Financing Activities:
Purchase of treasury stock	0	(2,957)
Payment of dividends	(24,611)	(22,933)
Excess tax benefit from stock-based compensation	242	39
Decrease in cash overdraft balance	0	(324)
Net cash used in financing activities	(24,369)	(26,175)
Net change in cash and equivalents	44,609	52,877
Cash and equivalents at beginning of year	211,539	123,385
Cash and equivalents at end of period	256,148	176,262
Supplemental Disclosure of Operating Cash Flows:
Cash paid during the period for income taxes	$ 19,472	$ 25,016